bounds.c 751 Bytes
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// SPDX-License-Identifier: GPL-2.0
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/*
 * Generate definitions needed by the preprocessor.
 * This code generates raw asm output which is post-processed
 * to extract and format the required data.
 */

#define __GENERATING_BOUNDS_H
/* Include headers that define the enum constants of interest */
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#include <linux/page-flags.h>
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#include <linux/mmzone.h>
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#include <linux/kbuild.h>
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#include <linux/log2.h>
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#include <linux/spinlock_types.h>
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int main(void)
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{
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	/* The enum constants to put into include/generated/bounds.h */
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	DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
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	DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
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#ifdef CONFIG_SMP
	DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
#endif
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	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
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	/* End of constants */
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	return 0;
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}